<template>
  <div class="my-counter">
    <button type="button" class="btn btn-light" @click="sub">-</button>
    <span> {{ num }} </span>
    <button type="button" class="btn btn-light" @click="add">+</button>
  </div>
</template>

<script>
export default {
  props: {
    num: Number,
  },
  methods: {
    add() {
      this.$emit("changeCount", this.num + 1);
    },
    sub() {
      if (this.num < 1) return;
      this.$emit("changeCount", this.num -1);
    },
  },
};
</script>

<style lang="less" scoped>
.my-counter {
  display: flex;
  .inp {
    width: 45px;
    text-align: center;
    margin: 0 10px;
  }
  .btn,
  .inp {
    transform: scale(0.9);
  }
}
</style>
